B28B 21 - Methods or machines specially adapted for the production of tubular articles

Patents for B28B 21 - Methods or machines specially adapted for the production of tubular articles (3,281)
11/2011
11/30/2011	CN202053370U 一种抽气式制造管桩装置 One kind of suction piles device Manufacturing
11/30/2011	CN202053369U 混凝土预制件灌注机 Precast concrete pouring machine
11/30/2011	CN102261066A 自适应减压排水管桩及其制备工艺 Adaptive pile pressure sewer and preparation process
11/30/2011	CN102261065A 一种开口高强混凝土预制桩及其桩模、离心制造方法 A high strength precast concrete piles and piles centrifugal method for manufacturing a mold opening,
11/30/2011	CN102259387A 一种建筑用带肋预制构件模板 A building with a ribbed prefabricated template
11/30/2011	CN102259386A 一种掺纤维增强塑料筋的高强混凝土预制桩的生产方法 A method of producing doped fiber reinforced plastic reinforced high strength precast concrete piles
11/30/2011	CN102259385A 可安装实时检测器件的预应力钢筒混凝土管及其制备方法 Prestressed concrete cylinder pipe and its preparation method can be installed real-time detection device
11/30/2011	CN101653102B 一种水产养殖防逃围栏水泥桩的制作方法 One kind of aquaculture Fangtao cement fence post production methods
11/29/2011	US8066931 Method and an apparatus for the manufacture of concrete pipes
11/29/2011	US8066926 Method of manufacturing reinforced medical tubing
11/24/2011	US20110283516 Economical Heavy Concrete Weight Coating for Submarine Pipelines
11/23/2011	CN202045742U Locking device for joint colse of pipe die
11/23/2011	CN202045741U Novel die-closing material-distributing system with reducing feed pipe
11/23/2011	CN202045740U Tubular pile material-distributing system
11/23/2011	CN102251702A Activated powder concrete pole with high strength and high conductivity and making method thereof
11/23/2011	CN102248602A Die for manufacturing steel frame for prestressed concrete pipe
11/23/2011	CN102248601A Method for producing precast concrete piles by transverse running water
11/23/2011	CN101486227B Method for manufacturing well pipe
11/22/2011	US8062023 Methods for manufacturing three-dimensional devices and devices created thereby
11/16/2011	CN202037716U Die for graphite crucible temperature measuring tubes
11/09/2011	CN202029233U Adjustable solid cubic pile mold
11/09/2011	CN101791824B Device for lining PVC (polyvinyl chloride) sheets in reinforced concrete drainage pipes or top pipes
11/08/2011	US8052408 Two-way pre-stress system and bending device therefor
11/03/2011	WO2011071286A3 Device for coupling a tensile core to the distal and proximal sides of an electric pole
11/03/2011	US20110266721 Horizontal molding method and apparatus of interior material of vehicle
11/02/2011	CN202021685U Self-locking mechanism of curved mandrel of pipe sheet die
11/02/2011	CN202021684U Mould used at female end of large caliber socket type reinforced concrete pipe
11/02/2011	CN202021665U Molding machine for socket-joint type groove concrete prefabricated component
11/02/2011	CN102229484A Method for manufacturing tubular pile by adopting pump concrete
11/02/2011	CN102229195A Novel high-strength steaming-free concrete and preparation method of tubular pile
11/02/2011	CN102229194A Method for manufacturing chemical prestressed reinforced concrete pipe
10/2011
10/26/2011	CN202016114U Integral-demoulding mould used in smoke-removing pipeline forming
10/20/2011	DE102010015360A1 Form system for manufacturing monolithically poured concrete shafts, has counterpart, face plate, adapter bracket and ring used in casting mold as form negative for coagulates to manufacture monolithic shaft lower parts from concrete
10/19/2011	EP2377659A1 Assembly and method for manufacturing a concrete tube
10/19/2011	CN202011063U Automatic pull-type concrete prefabricated pile forming machine
10/19/2011	CN202011062U Three-faced vibration concrete precast pile forming machine
10/19/2011	CN102218771A Manufacture method for zirconium oxide ceramic opening casing
10/12/2011	EP2374589A1 Moulding die and method for producing a moulding using said moulding die
10/12/2011	CN102212992A Rectangular Pre-stressed reinforced concrete hollow pile with internal thread or internal groove and method for processing hollow pile
10/12/2011	CN102211355A Forming mould for flue gas exhausting pipeline
10/12/2011	CN102211354A Steel die for forming concrete pile by adopting centrifuging method
10/12/2011	CN102211353A Process for manufacturing centrifugal concrete pile
10/12/2011	CN102211352A Densifying device for producing pre-stress steel cylinder concrete pipe
10/05/2011	CN201998322U Pipe pile mould fixed plate
10/05/2011	CN201998321U PCCP (prestressed concrete cylinder pipe) armored bell mouth forming die
10/05/2011	CN201998320U Mouthing-disc winding machine base with rubber ring
10/05/2011	CN102205557A Loose core type mould
10/05/2011	CN102205556A Concrete spreader
10/05/2011	CN101619781B Carbon fiber concrete pipe and manufacture method thereof
09/2011
09/29/2011	US20110236520 Belling machine for pipes made of thermoplastic material, forming end sockets equipped with an integrated seal
09/28/2011	CN102198696A Method for preparing high-strength high-performance concrete tubular pile
09/28/2011	CN101837608B Prestressed tube tensioning mold
09/21/2011	CN201981780U 一种制造筒形结构的模具 A mold for manufacturing tubular structure
09/21/2011	CN201979604U Connecting structure for bottom mould and external mould in socket type reinforced concrete pipe mould
09/21/2011	CN201979603U Die for spigot end of large caliber socket joint reinforced concrete pipe
09/21/2011	CN201979602U 混凝土管形制品离心机 Concrete Tubular Products centrifuge
09/21/2011	CN102189600A Flue gas exhaust pipeline molding die
09/14/2011	CN201970394U Rigid joint plain-end drain pipe forming mould
09/14/2011	CN201970393U Forming die for drain pipe at rigid joint rabbet
09/14/2011	CN102179875A Still-free PHC tubular pile and production process thereof
09/14/2011	CN101947813B Support structure of concrete pipe forming machine rotating roll shaft
09/14/2011	CN101694119B Reinforced concrete hollow purlin and production method thereof
09/08/2011	US20110214803 Vacuum thermoforming of thermoplastic sheets with decorative inserts
09/07/2011	CN201960662U 管桩模具用的下模挡板 Pipe mold lower mold baffle
09/07/2011	CN201960661U 智能型混凝土管桩喂料车 Intelligent Concrete Pipe feed Cart
09/07/2011	CN102172986A Polyhedral member shaping mould
09/07/2011	CN102172985A Rigid joint tongue-and-groove drain pipe forming die
09/07/2011	CN102172984A Novel die assembly distribution system with reducing feed pipe and method
09/07/2011	CN102172983A Production method of steel plastic concrete composite wound pipe
09/07/2011	CN102172982A Tubular pile distribution system
09/07/2011	CN101733836B Double-head vertical cement pipe making machine and preparation method thereof
09/06/2011	US8012286 Apparatus and method for making a tubular composite barrel
09/01/2011	WO2011103754A1 Hollow concrete component and method for preparing the same
09/01/2011	US20110212212 Composite Air And Foam Protective Packaging
08/2011
08/31/2011	CN201950724U 立式差速绕丝机 Vertical differential winding machine
08/31/2011	CN201950723U 缓冲式花瓶柱离心机 Buffered vases centrifuge
08/31/2011	CN102171010A Method of making hollow concrete elements
08/31/2011	CN102166787A Forming die of rigid joint plain end drain pipe
08/30/2011	US8007697 Method for manufacturing articles in the form of thin slabs of composite stone and resultant articles
08/30/2011	US8007269 Rotary forming wheel
08/25/2011	US20110206875 Method and arrangement for production of an integral hollow-profiled component with fibre composite material
08/24/2011	EP2359997A1 Cast part with coplanar surfaces and device for manufacturing same
08/17/2011	CN201931541U 一种用于辊射机的辊射装置 Roller device for a radio transmitter of the roll
08/17/2011	CN201931540U 分层布料式混凝土预制桩成型机 Precast Concrete Pile fabrics layered molding machine
08/17/2011	CN201931539U 匀速行走式混凝土预制桩成型机 Uniform Walking precast concrete piles molding machine
08/17/2011	CN102155589A Solid-wall cement pipe and manufacturing method thereof
08/17/2011	CN102152395A Mold for molding concrete filled hollow thin-walled member
08/17/2011	CN102152394A 可调式实心方桩模具 Adjustable solid square piles mold
08/17/2011	CN101758554B Tubular pile die screw
08/17/2011	CN101396847B Concrete pipe anti-leak treatment technique and special device
08/17/2011	CN101143465B Bar shape tubular pile mould
08/10/2011	CN201922503U 立式混凝土管成型机 Vertical concrete pipe molding machine
08/09/2011	US7993712 Housing and surface treating method for making the same
08/03/2011	CN201913705U 一种生产预应力砼压力管的通用型振动台装置 A universal shaker device prestressed concrete pressure pipe production
08/03/2011	CN1974162B Material injector for forming thin wall cement pipe
08/03/2011	CN102139516A Prestressed concrete tubular pile end plate
08/03/2011	CN102139515A Novel die-compounding and distributing system and method for producing concrete pile
08/03/2011	CN102139514A Concrete pipy product centrifugal machine
08/03/2011	CN102139513A Novel compound die distributing system with vibrating platform and method
08/03/2011	CN101544023B Preparation method for preformed hole split pouring fender pile

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